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WO2005091885A3 - System and method for vascular border detection - Google Patents

System and method for vascular border detection Download PDF

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Publication number
WO2005091885A3
WO2005091885A3 PCT/US2005/006159 US2005006159W WO2005091885A3 WO 2005091885 A3 WO2005091885 A3 WO 2005091885A3 US 2005006159 W US2005006159 W US 2005006159W WO 2005091885 A3 WO2005091885 A3 WO 2005091885A3
Authority
WO
WIPO (PCT)
Prior art keywords
data
border
application
vascular
tissue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2005/006159
Other languages
French (fr)
Other versions
WO2005091885A2 (en
Inventor
Jon D Klingensmith
Anuja Nair
Barry D Kuban
D Geoffrey Vince
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cleveland Clinic Foundation
Original Assignee
Cleveland Clinic Foundation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cleveland Clinic Foundation filed Critical Cleveland Clinic Foundation
Priority to JP2007501859A priority Critical patent/JP4733107B2/en
Priority to AT05723848T priority patent/ATE504239T1/en
Priority to DE602005027334T priority patent/DE602005027334D1/en
Priority to EP05723848A priority patent/EP1732461B1/en
Publication of WO2005091885A2 publication Critical patent/WO2005091885A2/en
Anticipated expiration legal-status Critical
Publication of WO2005091885A3 publication Critical patent/WO2005091885A3/en
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Clinical applications
    • A61B8/0858—Clinical applications involving measuring tissue layers, e.g. skin, interfaces

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Air Bags (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Soil Working Implements (AREA)
  • Holo Graphy (AREA)

Abstract

A system and method is provided for using the frequency spectrum of a radio frequency (RF) signal backscattered from vascular tissue to identify at least one border (e.g., tissue interface, etc.) on a vascular image. Embodiments of the present invention operate in accordance with a data gathering device (e.g., an intra-vascular ultrasound (IVUS) device, etc.) electrically connected to a computing device and a transducer via a catheter. The transducer is used to gather radio frequency (RF) data backscattered from vascular tissue. The RF data is then provided to (or acquired by) the computing device via the data-gathering device. In one embodiment of the present invention, the computing device includes (i) at least one data storage device (e.g., database, memory, etc.) for storing a plurality of tissue types and parameters related thereto and (ii) at least one application (e.g., a characterization application, a gradient-border application, a frequency-border application and/or an active-contour application). The characterization application is used to convert (or transform) the RF data into the frequency domain and to identify a plurality of parameters associated therewith. The identified parameters are then compared to the parameters stored in the data storage device to identify the corresponding tissue type. This information (e.g., tissue type, corresponding RF data, etc.) is then used, either alone or together with other border-related information (e.g., gradient information, other-border information, etc.), to determine at least one border on a vascular image.
PCT/US2005/006159 2004-03-04 2005-02-25 System and method for vascular border detection Ceased WO2005091885A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007501859A JP4733107B2 (en) 2004-03-04 2005-02-25 Blood vessel boundary detection system and method
AT05723848T ATE504239T1 (en) 2004-03-04 2005-02-25 SYSTEM FOR DETECTING VESSEL BOUNDARIES
DE602005027334T DE602005027334D1 (en) 2004-03-04 2005-02-25 SYSTEM FOR DETECTING VESSEL LIMITS
EP05723848A EP1732461B1 (en) 2004-03-04 2005-02-25 System for vascular border detection

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US55062004P 2004-03-04 2004-03-04
US60/550,620 2004-03-04
US10/837,352 2004-04-29
US10/837,352 US7215802B2 (en) 2004-03-04 2004-04-29 System and method for vascular border detection

Publications (2)

Publication Number Publication Date
WO2005091885A2 WO2005091885A2 (en) 2005-10-06
WO2005091885A3 true WO2005091885A3 (en) 2006-11-02

Family

ID=34915696

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/006159 Ceased WO2005091885A2 (en) 2004-03-04 2005-02-25 System and method for vascular border detection

Country Status (6)

Country Link
US (3) US7215802B2 (en)
EP (1) EP1732461B1 (en)
JP (1) JP4733107B2 (en)
AT (1) ATE504239T1 (en)
DE (1) DE602005027334D1 (en)
WO (1) WO2005091885A2 (en)

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